Print Quality Service Checks - Lexmark E238 Service Manual

4511-xxx

Print quality service checks

Note: Ensure cover closes tightly. A gap in the opening may allow light to
expose the photoconductor resulting in a 'dirty' print. Extreme
environmental conditions, temperatures, and humidity will affect the
print quality.
Using print quality test pages
To help isolate print quality problems, like streaking, print test pages using
the print quality test pages.
Models E238, E240, and E240n
To print the print quality test pages:
1. Enter Configuration Menu.
a. Turn off the printer.
b. Open the front access cover.
c. Turn on the printer while pressing and holding
d. When
e. Wait (approximately 10 seconds) until the printer drive activates.
2. Slowly press and release
come on.
3. Press and hold
test pages.
Four pages print to help you evaluate print quality. The first page has
various fonts and a graphic, the second page is gray with graphics, the
third page is black, and the last page is blank. Once the paper exits into
the output bin, the printer returns to the home state (four top lights on).
4. Use the test pages to isolate problems such as light or toner streaks.
See "POST symptom table" on page 2-79
problems.
To exit print quality test pages, turn the printer off.
Models E340 and E342n
To print the print quality test pages:
1. Enter Configuration Menu.
a. Turn the printer off.
b. Press and hold Select and Return.
c. Turn the printer on.
d. Release the buttons when Performing Self Test displays.
2. Select Prt Quality Pgs.
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Service Manual
light stays on, close cover.
three times until the
until all the lights flash to initiate printing the quality
.
and
for solutions to these
lights